Spreading of waxy Crude Oils on calm weather

Spreading of waxy Crude Oils on calm weather

The objective of this paper is to provide a simple extension of the much-used gravity spreading model for oil on calm water to account for the spreading behavior of waxy crude oils in cold waters – including the observed retardation and eventual termination of spreading at certain oil film thickness...

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Hauptverfasser: Brönner, Ute, Johansen, Øistein, Leirvik, Frode, Nordam, Tor, Sørheim, Kristin Rist
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Sprache:eng
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Gravity spreading
Non-Newtonian behavior
Oil spill modeling
Surface oil
Waxy crude oils
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creator Brönner, Ute
Johansen, Øistein
Leirvik, Frode
Nordam, Tor
Sørheim, Kristin Rist
description The objective of this paper is to provide a simple extension of the much-used gravity spreading model for oil on calm water to account for the spreading behavior of waxy crude oils in cold waters – including the observed retardation and eventual termination of spreading at certain oil film thicknesses. This peculiar behavior is not predicted by traditional spreading models for oil on calm water (i.e. viscous-gravity spreading models), but may occur due to non-Newtonian oil properties caused by precipitation of wax at low temperatures. To clarify the spreading behavior of such oils, SINTEF has conducted a series of laboratory experiments with a range of waxy oil mixtures. The present paper contains analyses of data from these experiments, including favorable comparisons with calculations by a proposed improved surface spreading model.
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subjects Gravity spreading
Non-Newtonian behavior
Oil spill modeling
Surface oil
Waxy crude oils
title Spreading of waxy Crude Oils on calm weather
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